Home / 70,024.78-96,642.36-39,814.63

Finding the Fourth Proportional to 70,024.78, 96,642.36 and 39,814.63

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Solution

The fourth proportional to 70,024.78, 96,642.36 and 39,814.63 is: 54,948.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,024.78 : 96,642.36 = 39,814.63 : x
  2. Step 2: Convert to fraction form
    70,024.78/96,642.36 = 39,814.63/x
  3. Step 3: Cross multiply
    70,024.78x = 96,642.36 × 39,814.63
  4. Step 4: Simplify right side
    70,024.78x = 3,847,779,372.28
  5. Step 5: Solve for x
    x = 3,847,779,372.28/70,024.78
  6. Step 6: Final answer
    x = 54,948.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.